import java.util.Scanner;

public class MoneyDemo {
	public static void main (String[] args)
	{
		Scanner keyboard = new Scanner(System.in);
		Money aDemo = new Money();
		String function;
		aDemo.readInput();
		System.out.println("If you would like to add your two sums together, " +
				"press the A key.");
		System.out.println("If you would like to subtract the second value " +
				"entered from the first, press the S key.");
		function = keyboard.next();
		
		if (function.equalsIgnoreCase("a"))
		{
		aDemo.addMoney();
		
		}
		else if (function.equalsIgnoreCase("s"))
		{
		aDemo.subtractMoney();
		}
		else System.out.println("Invalid input.");
	}
}